mediumOracle manipulationEVM-Solidity
Predy: Incorrect price for negative ticks due to lack of rounding down
- Payout
- $0
- Protocol
- Predy
- Disclosed
- Jul 16, 2024
- Source
- code4rena
In Predy's Unihelper contract, `callUniswapObserve` derives a TWAP tick from Uniswap V3 oracle cumulative tick data using standard integer division. Because Solidity integer division rounds negative numbers toward zero rather than negative infinity, negative t …
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References
- https://github.com/code-423n4/2024-05-predy-findings/issues/115
- https://github.com/code-423n4/2024-05-predy-findings
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